MATT MINING COMPANY, INC.

NPDES permit VAM080877 · Minor NON-POTW · administratively continued, expires 2026-07-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file

This permit expired on 2026-07-30 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

EPA's record, 2025-09-01 to 2026-08-31

2values over a limit
1required values missing, on 1 form(s)
0of 20 forms filed late

Last period with anything received: 2026-06-30. Most often over: Solids, total suspended (2).

Reporting

Reports are due about 10 days after each monitoring period ends (the most common figure among VA permits in EPA's filings — check your permit).

Limits in force (29)

OutfallParameterStatisticLimitMonths
4566pHINST MIN >= 6 SU all year
4566pHINST MAX <= 9 SU all year
4566Solids, total suspendedDAILY MN report only all year
4566Solids, total suspendedMO AVG <= 35 mg/L all year
4566Solids, total suspendedDAILY MX <= 70 mg/L all year
4566Iron, total [as Fe]DAILY MN report only all year
4566Iron, total [as Fe]MO AVG <= 3 mg/L all year
4566Iron, total [as Fe]DAILY MX <= 6 mg/L all year
4566Manganese, total [as Mn]DAILY MN report only all year
4566Manganese, total [as Mn]MO AVG <= 2 mg/L all year
4566Manganese, total [as Mn]DAILY MX <= 4 mg/L all year
4566Flow, in conduit or thru treatment plantMO AVG report only all year
4566Flow, in conduit or thru treatment plantDAILY MX report only all year
4566Solids, total dissolved [TDS]DAILY MN report only all year
4566Solids, total dissolved [TDS]MO AVG report only all year
4566Solids, total dissolved [TDS]DAILY MX report only all year
4568pHINST MIN >= 6 SU all year
4568pHINST MAX <= 9 SU all year
4568Solids, total suspendedDAILY MN report only all year
4568Solids, total suspendedMO AVG <= 35 mg/L all year
4568Solids, total suspendedDAILY MX <= 70 mg/L all year
4568Iron, total [as Fe]DAILY MN report only all year
4568Iron, total [as Fe]MO AVG <= 3.5 mg/L all year
4568Iron, total [as Fe]DAILY MX <= 7 mg/L all year
4568Flow, in conduit or thru treatment plantMO AVG report only all year
4568Flow, in conduit or thru treatment plantDAILY MX report only all year
4568Solids, total dissolved [TDS]DAILY MN report only all year
4568Solids, total dissolved [TDS]MO AVG report only all year
4568Solids, total dissolved [TDS]DAILY MX report only all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states